Historic Bridges in Maine
630 bridges built before 1951 in Maine still in service today.
Bridges Built Before 1951
The United States has 630 bridges in Maine built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| EVANS BROOK | Maine | Good | 1938 | 88 | 258 |
| EVANS BROOK | Maine | Fair | 1938 | 88 | 191 |
| OTTER COVE CREEK | Maine | Good | 1938 | 88 | 1,214 |
| BEAVER BROOK | Maine | Fair | 1939 | 87 | 1,527 |
| BREAKNECK BROOK | Maine | Poor | 1939 | 87 | 50 |
| SO BR MARSH RIVER | Maine | Fair | 1939 | 87 | 263 |
| PISCATAQUA RIVER | Maine | Fair | 1939 | 87 | 7,550 |
| DUG HILL BROOK | Maine | Fair | 1939 | 87 | 4,732 |
| SALMON STREAM | Maine | Poor | 1939 | 87 | 882 |
| TOWNSEND GUT/ATLANTIC O | Maine | Fair | 1939 | 87 | 3,430 |
| JOCK STR | Maine | Fair | 1939 | 87 | 2,215 |
| BEAR RIVER | Maine | Fair | 1939 | 87 | 765 |
| C P RAILROAD | Maine | Fair | 1939 | 87 | 4,787 |
| EGGEMOGGIN REACH | Maine | Fair | 1939 | 87 | 4,800 |
| FERGUSON STREAM | Maine | Poor | 1939 | 87 | 250 |
| WHITNEY BROOK | Maine | Poor | 1939 | 87 | 1,777 |
| PISCATAQUIS RIVER | Maine | Fair | 1939 | 87 | 154 |
| MACHIAS RIVER (N CHAN) | Maine | Poor | 1939 | 87 | 800 |
| MILL BROOK | Maine | Fair | 1939 | 87 | 356 |
| STONEY BROOK | Maine | Fair | 1939 | 87 | 2,167 |
| ST. GEORGE RIVER | Maine | Poor | 1939 | 87 | 604 |
| PTRR | Maine | Fair | 1939 | 87 | 50 |
| CARLISLE BROOK | Maine | Poor | 1939 | 87 | 400 |
| SAINT GEORGE RIVER | Maine | Poor | 1939 | 87 | 846 |
| SEDGEUNKEDUNK STREAM | Maine | Fair | 1939 | 87 | 1,711 |
| MCRR SPRINGFIELD TERM. | Maine | Fair | 1939 | 87 | 1,717 |
| BARKER STREAM | Maine | Poor | 1939 | 87 | 309 |
| SEVEN MILE BROOK | Maine | Fair | 1939 | 87 | 5,527 |
| QUAKER BROOK | Maine | Fair | 1939 | 87 | 1,180 |
| E BR PENOBSCOT RIVER | Maine | Fair | 1939 | 87 | 144 |
| ABANDONED WILDWOOD ENTRA | Maine | Fair | 1939 | 87 | 1,214 |
| MUDDY BROOK | Maine | Poor | 1940 | 86 | 77 |
| HANCOCK BK | Maine | Fair | 1940 | 86 | 10 |
| TUNK STREAM | Maine | Poor | 1940 | 86 | 14 |
| LITTLE RIVER | Maine | Poor | 1940 | 86 | 60 |
| MIDDLE BR MOUSAM RIVR | Maine | Fair | 1940 | 86 | 352 |
| PRESTILE STREAM | Maine | Fair | 1940 | 86 | 1,680 |
| PUSHAW STREAM | Maine | Fair | 1940 | 86 | 2,224 |
| STURGEON CREEK | Maine | Fair | 1940 | 86 | 1,690 |
| PISCATAQUIS RIVER | Maine | Poor | 1940 | 86 | 277 |
| KENDUSKEAG STREAM | Maine | Fair | 1940 | 86 | 1,322 |
| BEAVER BROOK | Maine | Fair | 1940 | 86 | 4,884 |
| RING HILL BK (POTTERS BK | Maine | Fair | 1940 | 86 | 969 |
| ROGERS BROOK | Maine | Fair | 1940 | 86 | 93 |
| STONEY BROOK | Maine | Fair | 1940 | 86 | 2,055 |
| OCEANVILLE THOROUGHFARE | Maine | Poor | 1940 | 86 | 1,047 |
| KINCAID BROOK | Maine | Poor | 1940 | 86 | 1,127 |
| MILE BROOK | Maine | Fair | 1940 | 86 | 4,239 |
| W BR PLEASANT RIVER | Maine | Poor | 1940 | 86 | 673 |
| E.BR.NEZINSCOTT | Maine | Fair | 1940 | 86 | 2,276 |
About Historic Bridge Data
Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.